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so i installed new intake gaskets. im still getting a lean bank 1 code and a random misfire code. tracked it down to cylinder 7. i swapped out 3 different coils and not one of them had fire at all. thinking its something inside the coil connector wiring. also the lean code i believe is because...

232000 miles on my 04 tahoe. all sorts of issues popping up as of late unfortunately....

ok guys, im new to the site and have been having major issues with my tahoe. its a 2004 4wd 5.3 non flex fuel. hard to explain exactly what its doing but ill try my best. when i ease into the throttle in neutral it will rev to 3 grand cleanly but once it hits three grand it hits a wall...